The rainfall total this year was 10.2 inches, which is 20%less the last year’s rainfall total. what was last year’s rainfall totall

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)